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A049305 as a simple table

na(n)
13
24
36
48
512
615
720
840
942
1043
1150
1253
1355
1459
1560
1661
1762
1869
1972
2073
2174
2275
2378
2479
2580
2681
2783
2886
2987
3088
3189
3293
3394
3495
3596
3697
3799
38100
39103
40111
41113
42114
43118
44164
45165
46185
47193
48200
49207
50210
51215
52220
53230
54232
55238
56241
57243
58250
59253
60254
61255

[3,4,6,8,12,15,20,40,42,43,50,53,55,59,60,61,62,
 69,72,73,74,75,78,79,80,81,83,86,87,88,89,93,94,
 95,96,97,99,100,103,111,113,114,118,164,165,185,
 193,200,207,210,215,220,230,232,238,241,243,250,
 253,254,255]